Method and apparatus for measuring gas velocity or other flow characteristic

(19)

(11)

EP 0 947 809 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	08.12.1999 Bulletin 1999/49

(43)	Date of publication A2:
	06.10.1999 Bulletin 1999/40

(21)	Application number: 99400799.5

(22)	Date of filing: 01.04.1999

(51)	International Patent Classification (IPC)⁶: G01F 1/46, G01P 5/165

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

02.04.1998 US 54296

(71)	Applicant: Mostardi-Platt
	Elmhurst, Illinois 60126-1012 (US)

(72)	Inventor:
	Platt, Robert J. Elmhurst, Illinois 60126 (US)

(74)	Representative: Bérogin, Francis
	Cabinet Plasseraud 84, rue d'Amsterdam 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)

(54)	Method and apparatus for measuring gas velocity or other flow characteristic

(57) A method and apparatus for measuring gas flow in a conduit includes the steps of providing a plurality of gas flow measuring devices, positioning the gas flow measuring devices at a plurality of positions in the conduit, and substantially simultaneously measuring the gas flow at each position. A gas flow measuring apparatus includes a plurality of flow-measuring probes, each probe including one or more gas flow measuring devices, a separate pressure transducer connected to each probe, a data logger connected to the transducers, and a computer connected to the data logger.

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